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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Active Directory Platform Engineer - **Company:** Zelis Healthcare - **Location:** Atlanta, GA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Software as a Service, Cyber Security, Data Loss, Desktop Computing, Identity and Access Management, Linux Servers, Windows Servers, Windows Domain, Azure Active Directory, Single Sign-On, Systems Integration, Enterprise Software Applications, Cybercrime, User Accounts - **Published:** August 12, 2026 - **Apply:** https://zelis.wd1.myworkdayjobs.com/ZelisCareers/job/US-GA-Atlanta/Senior-Active-Directory-Platform-Engineer_JR111565 ## About the Role · Proven experience upgrading and decommissioning Active Directory Domain Controllers in enterprise environments. · Hands-on experience upgrading Active Directory forest and domain functional levels, including planning, risk mitigation, and validation. · Demonstrated experience with Active Directory domain migrations, including consolidating legacy domains into a primary parent domain. · Strong experience with Microsoft Entra ID (Azure AD) Enterprise Applications and App Registrations. · Proven ability to configure and manage Single Sign-On (SSO) integrations across SaaS and internal applications. · Extensive experience designing, implementing, and maintaining Conditional Access policies to enforce security and compliance requirements., * 7-12 years of experience with infrastructure technologies. * Minimum 3 years of proven experience in Active Directory architecture and design. * Deep knowledge of Active Directory, security, compliance, and governance. * Demonstrated experience with Entra ID (Azure AD) solutions. * Strong problem-solving skills and a continuous improvement mindset. ## Description Zelis is seeking a passionate and experienced Senior Active Directory Platform Engineer to lead in designing, implementing, and optimizing robust Active Directory solutions. The role involves managing user accounts, security policies, and access controls for stability and scalability. As a crucial contributor to our directory service strategy, you will drive standardization, implement security measures, and proactively optimize performance. Beyond day-to-day responsibilities, you will lead strategic initiatives, including addressing patching deficiencies, consolidating domains, establishing business continuity plans, and crafting a roadmap for future enhancements. Additionally, this role encompasses responsibilities for Entra ID solutions, ensuring their seamless integration within the Active Directory environment., Active Directory is a central identity management platform crucial for our services, providing identity management for internal and SaaS applications, and configuration services for Windows Servers, Windows Desktops, and Linux Servers. Proper support is vital for maintaining operational integrity, meeting compliance requirements, and upholding IT security controls., * Lead the management of user accounts, security policies, and access controls for stability and scalability. * Drive standardization and consolidation of Active Directory use, configuring Identity and Access Management, Policies, and usage. * Implement robust security protocols, conduct audits, and ensure compliance to protect against cyber threats. * Independently resolve issues promptly, proactively addressing IT-related problems. * Lead in optimizing Active Directory to meet growing demands while maintaining excellent response times. * Develop and implement disaster recovery plans, ensuring business continuity in case of system failure or data loss. * Collaborate with cross-functional teams to implement and enhance Entra ID solutions within the Active Directory environment. * Configure and manage Entra ID settings, ensuring optimal performance and alignment with security protocols. * Implement and maintain identity management practices specific to Entra ID, addressing user accounts, access controls, and security policies. * Lead efforts in troubleshooting and resolving issues related to Entra ID, contributing to the overall stability of our identity management ecosystem. * Stay informed about Entra ID best practices and emerging technologies, incorporating relevant advancements into our identity management strategy. * Accumulate specialized knowledge and share it across the IT department. * Efficiently handle AD-related tasks for consistency and eliminate redundancies. * Develop strategies to scale Active Directory seamlessly as the organization grows. * Facilitate the transition from Active Directory to Entra ID (Azure AD). ## Related Videos - [ZEISS & Microsoft - Building the Next Generation Medical Ecosystem in the Cloud](https://www.wearedevelopers.com/videos/424-zeiss-microsoft-building-the-next-generation-medical-ecosystem-in-the-cloud) - [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them) - [How to Avoid LLM Pitfalls - Mete Atamel and Guillaume Laforge](https://www.wearedevelopers.com/videos/1328-how-to-avoid-llm-pitfalls-mete-atamel-and-guillaume-laforge) - [Fighting the Next Wave of Cybercrime](https://www.wearedevelopers.com/videos/100331-fighting-the-next-wave-of-cybercrime) - [Hacking MSSQL on Cloud. 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